/*
 * Copyright (c) 2005, Oracle and/or its affiliates. All rights reserved.
 * ORACLE PROPRIETARY/CONFIDENTIAL. Use is subject to license terms.
 *
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 */

package com.sun.jmx.mbeanserver;

import javax.management.DynamicMBean;
import javax.management.MBeanServer;
import javax.management.ObjectName;

/**
 * A dynamic MBean that wraps an underlying resource.  A version of this
 * interface might eventually appear in the public JMX API.
 *
 * @since 1.6
 */
public interface DynamicMBean2 extends DynamicMBean {

  /**
   * The resource corresponding to this MBean.  This is the object whose
   * class name should be reflected by the MBean's
   * getMBeanInfo().getClassName() for example.  For a "plain"
   * DynamicMBean it will be "this".  For an MBean that wraps another
   * object, like javax.management.StandardMBean, it will be the wrapped
   * object.
   */
  public Object getResource();

  /**
   * The name of this MBean's class, as used by permission checks.
   * This is typically equal to getResource().getClass().getName().
   * This method is typically faster, sometimes much faster,
   * than getMBeanInfo().getClassName(), but should return the same
   * result.
   */
  public String getClassName();

  /**
   * Additional registration hook.  This method is called after
   * {@link javax.management.MBeanRegistration#preRegister preRegister}.
   * Unlike that method, if it throws an exception and the MBean implements
   * {@code MBeanRegistration}, then {@link
   * javax.management.MBeanRegistration#postRegister postRegister(false)}
   * will be called on the MBean.  This is the behavior that the MBean
   * expects for a problem that does not come from its own preRegister
   * method.
   */
  public void preRegister2(MBeanServer mbs, ObjectName name)
      throws Exception;

  /**
   * Additional registration hook.  This method is called if preRegister
   * and preRegister2 succeed, but then the MBean cannot be registered
   * (for example because there is already another MBean of the same name).
   */
  public void registerFailed();
}
